<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>JavaScript 编写九九乘法表</title>
</head>
<style>
    table{
        border-collapse: collapse;
    }
    td{
        border:1px solid #ccc;
        padding: 3px 10px;
    }
</style>
<body>

<script>
    document.write("<table>");
    for(var i=1;i<=9;i++){
        document.write("<tr>");
        for(var j=1; j<=i; j++){
            document.write("<td>");
            document.write(j+"*"+i+"="+j*i);
            document.write("</td>");
        }
        document.write("</tr>");
    }
    document.write("</table>");

</script>

</body>
</html>